The main robber is described as about 5' 7" tall and medium build. He wears a mask, but often forgets to put it over his face. King County authorities say the main suspect isn't afraid to "control both customers and employees" with what they say is escalating violence. He fired his gun in one robbery, and struck a teller with his fist in another.

Because of his violent behavior, authorities stress the need to catch the man.